What is the cheapest airline that flies from Medford to Ontario?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Medford to Ontario

What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of November 2025.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$88 Cheap Flights from Medford to Ontario in 2025/26

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Find the cheapest flights from Medford to Los Angeles

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 6:33 pmMFR-ONT

5h 03m1 stop

7:10 am - 11:56 amONT-MFR

4h 46m1 stop

$175Alaska Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

3:45 pm - 8:10 pmMFR-ONT

4h 25m1 stop

7:00 am - 11:57 amONT-MFR

4h 57m1 stop

$176Alaska Airlines

Find Deal

Thu, Jan 29 - Sun, Feb 1

5:43 pm - 11:29 pmMFR-ONT

5h 46m1 stop

6:00 am - 12:32 amONT-MFR

18h 32m1 stop

$206Alaska Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

3:45 pm - 8:03 pmMFR-ONT

4h 18m1 stop

7:10 am - 11:56 amONT-MFR

4h 46m1 stop

$211Alaska Airlines

Find Deal

Wed, Dec 3 - Sat, Dec 6

12:05 pm - 11:58 pmMFR-ONT

11h 53m2 stops

3:30 pm - 11:19 pmONT-MFR

7h 49m1 stop

$225Delta

Find Deal

Thu, Jan 29 - Sun, Feb 1

5:42 am - 1:06 pmMFR-ONT

7h 24m2 stops

5:59 pm - 10:49 pmONT-MFR

4h 50m1 stop

$233Alaska Airlines

Find Deal

Wed, Feb 11 - Wed, Feb 11

5:43 pm - 6:33 pmMFR-ONT

24h 50m1 stop

7:10 am - 11:56 amONT-MFR

4h 46m1 stop

$234Alaska Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

5:42 am - 5:03 pmMFR-ONT

11h 21m2 stops

7:00 am - 11:57 amONT-MFR

4h 57m1 stop

$237Alaska Airlines

Find Deal

Thu, Jan 29 - Sun, Feb 1

3:45 pm - 8:03 pmMFR-ONT

4h 18m1 stop

7:10 am - 11:56 amONT-MFR

4h 46m1 stop

$246Alaska Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 9

5:43 pm - 11:29 pmMFR-ONT

5h 46m1 stop

12:13 pm - 11:56 amONT-MFR

23h 43m2 stops

$251Alaska Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

Delta flights from Medford to Ontario

Our best Delta deals on Medford to Ontario flight tickets

Delta

Jan 29

MFR12:05 pmMedford

11h 53m

2 stops

ONT11:58 pmOntario

Feb 1

ONT3:30 pmOntario

7h 49m

1 stop

MFR11:19 pmMedford

$225

Find similar

Delta

Apr 14

MFR6:05 amMedford

10h 09m

2 stops

ONT4:14 pmOntario

Apr 16

ONT5:05 pmOntario

6h 36m

1 stop

MFR11:41 pmMedford

$266

Find similar

Delta

Feb 13

MFR5:50 amMedford

6h 19m

1 stop

ONT12:09 pmOntario

Feb 16

ONT4:54 pmOntario

6h 54m

1 stop

MFR11:48 pmMedford

$280

Find similar

Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Alaska Airlines

Dec 10

MFR1:30 pmMedford

5h 03m

1 stop

ONT6:33 pmOntario

Dec 17

ONT7:10 amOntario

4h 46m

1 stop

MFR11:56 amMedford

$175

Find similar

Alaska Airlines

Jan 29

MFR3:45 pmMedford

4h 25m

1 stop

ONT8:10 pmOntario

Feb 1

ONT7:00 amOntario

4h 57m

1 stop

MFR11:57 amMedford

$176

Find similar

Alaska Airlines

Dec 5

MFR5:43 pmMedford

5h 46m

1 stop

ONT11:29 pmOntario

Dec 8

ONT6:00 amOntario

18h 32m

1 stop

MFR12:32 amMedford

$206

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 12/10

1:30 pm-6:33 pm

1 stop5h 03m

Ontario

Wed 12/17

7:10 am-11:56 am

1 stop4h 46m

$175

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 1/29

3:45 pm-8:10 pm

1 stop4h 25m

Ontario

Sun 2/1

7:00 am-11:57 am

1 stop4h 57m

$176

MedfordOntario

MFR - ONT

MFRONT

Medford

Fri 12/5

5:43 pm-11:29 pm

1 stop5h 46m

Ontario

Mon 12/8

6:00 am-12:32 am

1 stop18h 32m

$206

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 12/3

3:45 pm-8:03 pm

1 stop4h 18m

Ontario

Sat 12/6

7:10 am-11:56 am

1 stop4h 46m

$211

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 1/29

12:05 pm-11:58 pm

2 stops11h 53m

Ontario

Sun 2/1

3:30 pm-11:19 pm

1 stop7h 49m

$225

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 2/11

5:42 am-1:06 pm

2 stops7h 24m

Ontario

Wed 2/11

5:59 pm-10:49 pm

1 stop4h 50m

$233

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 12/10

5:43 pm-6:33 pm

1 stop24h 50m

Ontario

Wed 12/17

7:10 am-11:56 am

1 stop4h 46m

$234

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 1/29

5:42 am-5:03 pm

2 stops11h 21m

Ontario

Sun 2/1

7:00 am-11:57 am

1 stop4h 57m

$237

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 12/3

3:45 pm-8:03 pm

1 stop4h 18m

Ontario

Tue 12/9

7:10 am-11:56 am

1 stop4h 46m

$246

MedfordOntario

MFR - ONT

MFRONT

Medford

Fri 12/5

5:43 pm-11:29 pm

1 stop5h 46m

Ontario

Mon 12/8

12:13 pm-11:56 am

2 stops23h 43m

$251

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you aren’t able to travel during the month of November, then book flights to Ontario from Medford during June instead. Flights to Ontario in June, while not as cheap as those in November, still average around $310.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $288. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Medford to Ontario for around $386.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Medford to Ontario when you can find flight prices for as low as $311. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $407 on average. Flights to Ontario from Medford at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Direct flights	None

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

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How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 4h 01m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of November 2025.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is United Airlines, representing 53% of all bookings. The subsequent popular airlines are Alaska Airlines at 33% and Delta at 14%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Alaska Airlines	PriceFrom $238	Free Cancellation	Rating 8.0 11,281 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.